how to import multichannel emg data to PCA model

hi,guys. I have 8 emg electrodes to obtain 4 gesture emg data. I have extracted 5 features from each channel.But I donot know how to import to pca model. like（8 channel x4gesture ）x 5feature = 32x5 matrix?

[KSSV]

You read about pca ?

[weifeng wang]

yes

[KSSV]

You should apply pca for one channel.....and use the same features for other channels also....is it not?